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  1. #1
    Join Date
    Nov 2012
    Posts
    7

    warbling noise from furnace

    Hello,

    Did you ever find a solution to this issue? I have exactly the same problem... the low-level warbling sound is driving me crazy. I can't tell if it's a duct issue or a mechanical issue (blower, blower motor, etc.). Any advice would be helpful.

    Thanks.

  2. #2
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,386

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